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Improved Astrometry in a Sparse Star Field and New Positions of Triton and Nereid (2018–2020)

  • Authors: X. Q. Fang, Q. Y. Peng, Y. D. Ping, F. Li, T. R. Sun, X. Wang, X. Lu, B. F. Guo

X. Q. Fang et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 1.

Comparison of the classical and PlateOne astrometric methods using eight nights of Triton observations, both employing a fourth-order polynomial. The number of reference stars represents an average calculated per night. “SD” represents the standard deviation of the positional (O − C) residuals.

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